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<button class="button is-small is-link">Go</button> </div> </div> </form> </div> </div> <ol class="breathe-horizontal" start="1"> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2502.16384">arXiv:2502.16384</a> <span> [<a href="https://arxiv.org/pdf/2502.16384">pdf</a>, <a href="https://arxiv.org/format/2502.16384">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> </div> <p class="title is-5 mathjax"> A muon tagging with Flash ADC waveform baselines </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Lee%2C+D+H">D. H. Lee</a>, <a href="/search/physics?searchtype=author&query=Cheoun%2C+M+K">M. K. Cheoun</a>, <a href="/search/physics?searchtype=author&query=Choi%2C+J+H">J. H. Choi</a>, <a href="/search/physics?searchtype=author&query=Choi%2C+J+Y">J. Y. Choi</a>, <a href="/search/physics?searchtype=author&query=Dodo%2C+T">T. Dodo</a>, <a href="/search/physics?searchtype=author&query=Goh%2C+J">J. Goh</a>, <a href="/search/physics?searchtype=author&query=Haga%2C+K">K. Haga</a>, <a href="/search/physics?searchtype=author&query=Harada%2C+M">M. Harada</a>, <a href="/search/physics?searchtype=author&query=Hasegawa%2C+S">S. Hasegawa</a>, <a href="/search/physics?searchtype=author&query=Hwang%2C+W">W. Hwang</a>, <a href="/search/physics?searchtype=author&query=Iida%2C+T">T. Iida</a>, <a href="/search/physics?searchtype=author&query=Jang%2C+H+I">H. I. Jang</a>, <a href="/search/physics?searchtype=author&query=Jang%2C+J+S">J. S. Jang</a>, <a href="/search/physics?searchtype=author&query=Joo%2C+K+K">K. K. Joo</a>, <a href="/search/physics?searchtype=author&query=Jung%2C+D+E">D. E. Jung</a>, <a href="/search/physics?searchtype=author&query=Kang%2C+S+K">S. K. Kang</a>, <a href="/search/physics?searchtype=author&query=Kasugai%2C+Y">Y. Kasugai</a>, <a href="/search/physics?searchtype=author&query=Kawasaki%2C+T">T. Kawasaki</a>, <a href="/search/physics?searchtype=author&query=Kim%2C+E+M">E. M. Kim</a>, <a href="/search/physics?searchtype=author&query=Kim%2C+S+B">S. B. Kim</a>, <a href="/search/physics?searchtype=author&query=Kim%2C+S+Y">S. Y. Kim</a>, <a href="/search/physics?searchtype=author&query=Kinoshita%2C+H">H. Kinoshita</a>, <a href="/search/physics?searchtype=author&query=Konno%2C+T">T. Konno</a>, <a href="/search/physics?searchtype=author&query=Little%2C+C">C. Little</a>, <a href="/search/physics?searchtype=author&query=Maruyama%2C+T">T. Maruyama</a> , et al. (32 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2502.16384v1-abstract-short" style="display: inline;"> This manuscript describes an innovative method to tag the muons using the baseline information of the Flash ADC (FADC) waveform of PMTs in the JSNS1 (J-PARC Sterile Neutrino Search at J-PARC Spallation Neutron Source) experiment. This experiment is designed for the search for sterile neutrinos, and a muon tagging is an essential key component for the background rejection since the detector of the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2502.16384v1-abstract-full').style.display = 'inline'; document.getElementById('2502.16384v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2502.16384v1-abstract-full" style="display: none;"> This manuscript describes an innovative method to tag the muons using the baseline information of the Flash ADC (FADC) waveform of PMTs in the JSNS1 (J-PARC Sterile Neutrino Search at J-PARC Spallation Neutron Source) experiment. This experiment is designed for the search for sterile neutrinos, and a muon tagging is an essential key component for the background rejection since the detector of the experiment is located over-ground, where is the 3rd floor of the J-PARC Material and Life experimental facility (MLF). Especially, stopping muons inside the detector create the Michel electrons, and they are important background to be rejected. Utilizing this innovative method, more than 99.8% of Michel electrons can be rejected even without a detector veto region. This technique can be employed for any experiments which uses the similar detector configurations. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2502.16384v1-abstract-full').style.display = 'none'; document.getElementById('2502.16384v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 22 February, 2025; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2025. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">7 pages, 6 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2404.04153">arXiv:2404.04153</a> <span> [<a href="https://arxiv.org/pdf/2404.04153">pdf</a>, <a href="https://arxiv.org/format/2404.04153">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.nima.2025.170216">10.1016/j.nima.2025.170216 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Evaluation of the performance of the event reconstruction algorithms in the JSNS$^2$ experiment using a $^{252}$Cf calibration source </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Lee%2C+D+H">D. H. Lee</a>, <a href="/search/physics?searchtype=author&query=Cheoun%2C+M+K">M. K. Cheoun</a>, <a href="/search/physics?searchtype=author&query=Choi%2C+J+H">J. H. Choi</a>, <a href="/search/physics?searchtype=author&query=Choi%2C+J+Y">J. Y. Choi</a>, <a href="/search/physics?searchtype=author&query=Dodo%2C+T">T. Dodo</a>, <a href="/search/physics?searchtype=author&query=Goh%2C+J">J. Goh</a>, <a href="/search/physics?searchtype=author&query=Haga%2C+K">K. Haga</a>, <a href="/search/physics?searchtype=author&query=Harada%2C+M">M. Harada</a>, <a href="/search/physics?searchtype=author&query=Hasegawa%2C+S">S. Hasegawa</a>, <a href="/search/physics?searchtype=author&query=Hwang%2C+W">W. Hwang</a>, <a href="/search/physics?searchtype=author&query=Iida%2C+T">T. Iida</a>, <a href="/search/physics?searchtype=author&query=Jang%2C+H+I">H. I. Jang</a>, <a href="/search/physics?searchtype=author&query=Jang%2C+J+S">J. S. Jang</a>, <a href="/search/physics?searchtype=author&query=Joo%2C+K+K">K. K. Joo</a>, <a href="/search/physics?searchtype=author&query=Jung%2C+D+E">D. E. Jung</a>, <a href="/search/physics?searchtype=author&query=Kang%2C+S+K">S. K. Kang</a>, <a href="/search/physics?searchtype=author&query=Kasugai%2C+Y">Y. Kasugai</a>, <a href="/search/physics?searchtype=author&query=Kawasaki%2C+T">T. Kawasaki</a>, <a href="/search/physics?searchtype=author&query=Kim%2C+E+J">E. J. Kim</a>, <a href="/search/physics?searchtype=author&query=Kim%2C+J+Y">J. Y. Kim</a>, <a href="/search/physics?searchtype=author&query=Kim%2C+S+B">S. B Kim</a>, <a href="/search/physics?searchtype=author&query=Kim%2C+W">W. Kim</a>, <a href="/search/physics?searchtype=author&query=Kinoshita%2C+H">H. Kinoshita</a>, <a href="/search/physics?searchtype=author&query=Konno%2C+T">T. Konno</a>, <a href="/search/physics?searchtype=author&query=Lim%2C+I+T">I. T. Lim</a> , et al. (28 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2404.04153v3-abstract-short" style="display: inline;"> JSNS$^2$ searches for short baseline neutrino oscillations with a baseline of 24~meters and a target of 17~tonnes of the Gd-loaded liquid scintillator. The correct algorithm on the event reconstruction of events, which determines the position and energy of neutrino interactions in the detector, are essential for the physics analysis of the data from the experiment. Therefore, the performance of th… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2404.04153v3-abstract-full').style.display = 'inline'; document.getElementById('2404.04153v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2404.04153v3-abstract-full" style="display: none;"> JSNS$^2$ searches for short baseline neutrino oscillations with a baseline of 24~meters and a target of 17~tonnes of the Gd-loaded liquid scintillator. The correct algorithm on the event reconstruction of events, which determines the position and energy of neutrino interactions in the detector, are essential for the physics analysis of the data from the experiment. Therefore, the performance of the event reconstruction is carefully checked with calibrations using $^{252}$Cf source. This manuscript describes the methodology and the performance of the event reconstruction. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2404.04153v3-abstract-full').style.display = 'none'; document.getElementById('2404.04153v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 19 January, 2025; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 5 April, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nucl. Inst. Meth. A 1072 (2025) 170216 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2404.03679">arXiv:2404.03679</a> <span> [<a href="https://arxiv.org/pdf/2404.03679">pdf</a>, <a href="https://arxiv.org/format/2404.03679">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1093/ptep/ptaf016">10.1093/ptep/ptaf016 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Pulse Shape Discrimination in JSNS$^2$ </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Dodo%2C+T">T. Dodo</a>, <a href="/search/physics?searchtype=author&query=Cheoun%2C+M+K">M. K. Cheoun</a>, <a href="/search/physics?searchtype=author&query=Choi%2C+J+H">J. H. Choi</a>, <a href="/search/physics?searchtype=author&query=Choi%2C+J+Y">J. Y. Choi</a>, <a href="/search/physics?searchtype=author&query=Goh%2C+J">J. Goh</a>, <a href="/search/physics?searchtype=author&query=Haga%2C+K">K. Haga</a>, <a href="/search/physics?searchtype=author&query=Harada%2C+M">M. Harada</a>, <a href="/search/physics?searchtype=author&query=Hasegawa%2C+S">S. Hasegawa</a>, <a href="/search/physics?searchtype=author&query=Hwang%2C+W">W. Hwang</a>, <a href="/search/physics?searchtype=author&query=Iida%2C+T">T. Iida</a>, <a href="/search/physics?searchtype=author&query=Jang%2C+H+I">H. I. Jang</a>, <a href="/search/physics?searchtype=author&query=Jang%2C+J+S">J. S. Jang</a>, <a href="/search/physics?searchtype=author&query=Joo%2C+K+K">K. K. Joo</a>, <a href="/search/physics?searchtype=author&query=Jung%2C+D+E">D. E. Jung</a>, <a href="/search/physics?searchtype=author&query=Kang%2C+S+K">S. K. Kang</a>, <a href="/search/physics?searchtype=author&query=Kasugai%2C+Y">Y. Kasugai</a>, <a href="/search/physics?searchtype=author&query=Kawasaki%2C+T">T. Kawasaki</a>, <a href="/search/physics?searchtype=author&query=Kim%2C+E+J">E. J. Kim</a>, <a href="/search/physics?searchtype=author&query=Kim%2C+J+Y">J. Y. Kim</a>, <a href="/search/physics?searchtype=author&query=Kim%2C+S+B">S. B. Kim</a>, <a href="/search/physics?searchtype=author&query=Kim%2C+W">W. Kim</a>, <a href="/search/physics?searchtype=author&query=Kinoshita%2C+H">H. Kinoshita</a>, <a href="/search/physics?searchtype=author&query=Konno%2C+T">T. Konno</a>, <a href="/search/physics?searchtype=author&query=Lee%2C+D+H">D. H. Lee</a>, <a href="/search/physics?searchtype=author&query=Lim%2C+I+T">I. T. Lim</a> , et al. (29 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2404.03679v3-abstract-short" style="display: inline;"> JSNS$^2$ (J-PARC Sterile Neutrino Search at J-PARC Spallation Neutron Source) is an experiment that is searching for sterile neutrinos via the observation of $\bar谓_渭 \rightarrow \bar谓_e$ appearance oscillations using neutrinos with muon decay-at-rest. For this search, rejecting cosmic-ray-induced neutron events by Pulse Shape Discrimination (PSD) is essential because the JSNS$^2$ detector is loca… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2404.03679v3-abstract-full').style.display = 'inline'; document.getElementById('2404.03679v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2404.03679v3-abstract-full" style="display: none;"> JSNS$^2$ (J-PARC Sterile Neutrino Search at J-PARC Spallation Neutron Source) is an experiment that is searching for sterile neutrinos via the observation of $\bar谓_渭 \rightarrow \bar谓_e$ appearance oscillations using neutrinos with muon decay-at-rest. For this search, rejecting cosmic-ray-induced neutron events by Pulse Shape Discrimination (PSD) is essential because the JSNS$^2$ detector is located above ground, on the third floor of the building. We have achieved 95$\%$ rejection of neutron events while keeping 90$\%$ of signal, electron-like events using a data driven likelihood method. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2404.03679v3-abstract-full').style.display = 'none'; document.getElementById('2404.03679v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 22 February, 2025; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 28 March, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">arXiv admin note: text overlap with arXiv:2111.07482, arXiv:2308.02722</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> PTEP 2025 023H02 (2025) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2309.01887">arXiv:2309.01887</a> <span> [<a href="https://arxiv.org/pdf/2309.01887">pdf</a>, <a href="https://arxiv.org/format/2309.01887">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/18/12/T12001">10.1088/1748-0221/18/12/T12001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The acrylic vessel for JSNS$^{2}$-II neutrino target </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Shin%2C+C+D">C. D. Shin</a>, <a href="/search/physics?searchtype=author&query=Ajimura%2C+S">S. Ajimura</a>, <a href="/search/physics?searchtype=author&query=Cheoun%2C+M+K">M. K. Cheoun</a>, <a href="/search/physics?searchtype=author&query=Choi%2C+J+H">J. H. Choi</a>, <a href="/search/physics?searchtype=author&query=Choi%2C+J+Y">J. Y. Choi</a>, <a href="/search/physics?searchtype=author&query=Dodo%2C+T">T. Dodo</a>, <a href="/search/physics?searchtype=author&query=Goh%2C+J">J. Goh</a>, <a href="/search/physics?searchtype=author&query=Haga%2C+K">K. Haga</a>, <a href="/search/physics?searchtype=author&query=Harada%2C+M">M. Harada</a>, <a href="/search/physics?searchtype=author&query=Hasegawa%2C+S">S. Hasegawa</a>, <a href="/search/physics?searchtype=author&query=Hiraiwa%2C+T">T. Hiraiwa</a>, <a href="/search/physics?searchtype=author&query=Hwang%2C+W">W. Hwang</a>, <a href="/search/physics?searchtype=author&query=Iida%2C+T">T. Iida</a>, <a href="/search/physics?searchtype=author&query=Jang%2C+H+I">H. I. Jang</a>, <a href="/search/physics?searchtype=author&query=Jang%2C+J+S">J. S. Jang</a>, <a href="/search/physics?searchtype=author&query=Jeon%2C+H">H. Jeon</a>, <a href="/search/physics?searchtype=author&query=Jeon%2C+S">S. Jeon</a>, <a href="/search/physics?searchtype=author&query=Joo%2C+K+K">K. K. Joo</a>, <a href="/search/physics?searchtype=author&query=Jung%2C+D+E">D. E. Jung</a>, <a href="/search/physics?searchtype=author&query=Kang%2C+S+K">S. K. Kang</a>, <a href="/search/physics?searchtype=author&query=Kasugai%2C+Y">Y. Kasugai</a>, <a href="/search/physics?searchtype=author&query=Kawasaki%2C+T">T. Kawasaki</a>, <a href="/search/physics?searchtype=author&query=Kim%2C+E+J">E. J. Kim</a>, <a href="/search/physics?searchtype=author&query=Kim%2C+J+Y">J. Y. Kim</a>, <a href="/search/physics?searchtype=author&query=Kim%2C+S+B">S. B. Kim</a> , et al. (35 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2309.01887v2-abstract-short" style="display: inline;"> The JSNS$^{2}$ (J-PARC Sterile Neutrino Search at J-PARC Spallation Neutron Source) is an experiment designed for the search for sterile neutrinos. The experiment is currently at the stage of the second phase named JSNS$^{2}$-II with two detectors at near and far locations from the neutrino source. One of the key components of the experiment is an acrylic vessel, that is used for the target volume… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2309.01887v2-abstract-full').style.display = 'inline'; document.getElementById('2309.01887v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2309.01887v2-abstract-full" style="display: none;"> The JSNS$^{2}$ (J-PARC Sterile Neutrino Search at J-PARC Spallation Neutron Source) is an experiment designed for the search for sterile neutrinos. The experiment is currently at the stage of the second phase named JSNS$^{2}$-II with two detectors at near and far locations from the neutrino source. One of the key components of the experiment is an acrylic vessel, that is used for the target volume for the detection of the anti-neutrinos. The specifications, design, and measured properties of the acrylic vessel are described. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2309.01887v2-abstract-full').style.display = 'none'; document.getElementById('2309.01887v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 11 December, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 4 September, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> 2023 JINST 18 T12001 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2308.02722">arXiv:2308.02722</a> <span> [<a href="https://arxiv.org/pdf/2308.02722">pdf</a>, <a href="https://arxiv.org/format/2308.02722">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1140/epjc/s10052-024-12778-7">10.1140/epjc/s10052-024-12778-7 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Study on the accidental background of the JSNS$^2$ experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Lee%2C+D+H">D. H. Lee</a>, <a href="/search/physics?searchtype=author&query=Ajimura%2C+S">S. Ajimura</a>, <a href="/search/physics?searchtype=author&query=Cheoun%2C+M+K">M. K. Cheoun</a>, <a href="/search/physics?searchtype=author&query=Choi%2C+J+H">J. H. Choi</a>, <a href="/search/physics?searchtype=author&query=Choi%2C+J+Y">J. Y. Choi</a>, <a href="/search/physics?searchtype=author&query=Dodo%2C+T">T. Dodo</a>, <a href="/search/physics?searchtype=author&query=Goh%2C+J">J. Goh</a>, <a href="/search/physics?searchtype=author&query=Haga%2C+K">K. Haga</a>, <a href="/search/physics?searchtype=author&query=Harada%2C+M">M. Harada</a>, <a href="/search/physics?searchtype=author&query=Hasegawa%2C+S">S. Hasegawa</a>, <a href="/search/physics?searchtype=author&query=Hiraiwa%2C+T">T. Hiraiwa</a>, <a href="/search/physics?searchtype=author&query=Hwang%2C+W">W. Hwang</a>, <a href="/search/physics?searchtype=author&query=Jang%2C+H+I">H. I. Jang</a>, <a href="/search/physics?searchtype=author&query=Jang%2C+J+S">J. S. Jang</a>, <a href="/search/physics?searchtype=author&query=Jeon%2C+H">H. Jeon</a>, <a href="/search/physics?searchtype=author&query=Jeon%2C+S">S. Jeon</a>, <a href="/search/physics?searchtype=author&query=Joo%2C+K+K">K. K. Joo</a>, <a href="/search/physics?searchtype=author&query=Jung%2C+D+E">D. E. Jung</a>, <a href="/search/physics?searchtype=author&query=Kang%2C+S+K">S. K. Kang</a>, <a href="/search/physics?searchtype=author&query=Kasugai%2C+Y">Y. Kasugai</a>, <a href="/search/physics?searchtype=author&query=Kawasaki%2C+T">T. Kawasaki</a>, <a href="/search/physics?searchtype=author&query=Kim%2C+E+J">E. J. Kim</a>, <a href="/search/physics?searchtype=author&query=Kim%2C+J+Y">J. Y. Kim</a>, <a href="/search/physics?searchtype=author&query=Kim%2C+S+B">S. B. Kim</a>, <a href="/search/physics?searchtype=author&query=Kim%2C+W">W. Kim</a> , et al. (33 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2308.02722v2-abstract-short" style="display: inline;"> JSNS$^2$ (J-PARC Sterile Neutrino Search at J-PARC Spallation Neutron Source) is an experiment which searches for sterile neutrinos via the observation of $\bar谓_渭 \to \bar谓_{e}$ appearance oscillations using muon decay-at-rest neutrinos. The data taking of JSNS$^2$ have been performed from 2021. In this manuscript, a study of the accidental background is presented. The rate of the accidental back… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2308.02722v2-abstract-full').style.display = 'inline'; document.getElementById('2308.02722v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2308.02722v2-abstract-full" style="display: none;"> JSNS$^2$ (J-PARC Sterile Neutrino Search at J-PARC Spallation Neutron Source) is an experiment which searches for sterile neutrinos via the observation of $\bar谓_渭 \to \bar谓_{e}$ appearance oscillations using muon decay-at-rest neutrinos. The data taking of JSNS$^2$ have been performed from 2021. In this manuscript, a study of the accidental background is presented. The rate of the accidental background is (9.29$\pm 0.39) \times 10^{-8}$ / spill with 0.75 MW beam power and comparable to the number of searching signals. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2308.02722v2-abstract-full').style.display = 'none'; document.getElementById('2308.02722v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 22 April, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 4 August, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">arXiv admin note: substantial text overlap with arXiv:2111.07482</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Eur. Phys. J. C 84, 409 (2024) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1710.03499">arXiv:1710.03499</a> <span> [<a href="https://arxiv.org/pdf/1710.03499">pdf</a>, <a href="https://arxiv.org/format/1710.03499">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Biological Physics">physics.bio-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Soft Condensed Matter">cond-mat.soft</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Statistical Mechanics">cond-mat.stat-mech</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Biomolecules">q-bio.BM</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1021/acs.jpclett.7b03197">10.1021/acs.jpclett.7b03197 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Energetic costs, precision, and efficiency of a biological motor in cargo transport </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Hwang%2C+W">Wonseok Hwang</a>, <a href="/search/physics?searchtype=author&query=Hyeon%2C+C">Changbong Hyeon</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1710.03499v4-abstract-short" style="display: inline;"> Molecular motors play pivotal roles in organizing the interior of cells. A motor efficient in cargo transport would move along cytoskeletal filaments with a high speed and a minimal error in transport distance (or time) while consuming a minimal amount of energy. The travel distance of the motor and its variance are, however, physically constrained by the free energy being consumed. A recently for… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1710.03499v4-abstract-full').style.display = 'inline'; document.getElementById('1710.03499v4-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1710.03499v4-abstract-full" style="display: none;"> Molecular motors play pivotal roles in organizing the interior of cells. A motor efficient in cargo transport would move along cytoskeletal filaments with a high speed and a minimal error in transport distance (or time) while consuming a minimal amount of energy. The travel distance of the motor and its variance are, however, physically constrained by the free energy being consumed. A recently formulated \emph{thermodynamic uncertainty relation} offers a theoretical framework for the energy-accuracy trade-off relation ubiquitous in biological processes. According to the relation, a measure $\mathcal{Q}$, the product between the heat dissipated from a motor and the squared relative error in the displacement, has a minimal theoretical bound ($\mathcal{Q} \geq 2 k_B T$), which is approached when the time trajectory of the motor is maximally regular for a given amount of free energy input. Here, we use $\mathcal{Q}$ to quantify the transport efficiency of biological motors. Analyses on the motility data from several types of molecular motors reveal that $\mathcal{Q}$ is a complex function of ATP concentration and load ($f$). For kinesin-1, $\mathcal{Q}$ approaches the theoretical bound at $f\approx 4$ pN and over a broad range of ATP concentration (1 $渭$M - 10 mM), and is locally minimized at [ATP] $\approx$ 200 $渭$M. In stark contrast, this local minimum vanishes for a mutant that has a longer neck-linker, and the value of $\mathcal{Q}$ is significantly greater, which underscores the importance of molecular structure. Transport efficiencies of the biological motors studied here are semi-optimized under the cellular condition ([ATP] $\approx 1$ mM, $f=0-1$ pN). Our study indicates that among many possible directions of optimization, cytoskeletal motors are designed to operate at a high speed with a minimal error while leveraging their energy resources. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1710.03499v4-abstract-full').style.display = 'none'; document.getElementById('1710.03499v4-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 5 June, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 10 October, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">6 figures, 15 supplementary figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> J. Phys. Chem. Lett., 2018, 9 (3), pp 513-520 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1705.04027">arXiv:1705.04027</a> <span> [<a href="https://arxiv.org/pdf/1705.04027">pdf</a>, <a href="https://arxiv.org/format/1705.04027">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Statistical Mechanics">cond-mat.stat-mech</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Soft Condensed Matter">cond-mat.soft</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Biological Physics">physics.bio-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevE.96.012156">10.1103/PhysRevE.96.012156 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Physical insight into the thermodynamic uncertainty relation using Brownian motion in tilted periodic potentials </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Hyeon%2C+C">Changbong Hyeon</a>, <a href="/search/physics?searchtype=author&query=Hwang%2C+W">Wonseok Hwang</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1705.04027v2-abstract-short" style="display: inline;"> Using Brownian motion in periodic potentials $V(x)$ tilted by a force $f$, we provide physical insight into the thermodynamic uncertainty relation, a recently conjectured principle for statistical errors and irreversible heat dissipation in nonequilibrium steady states. According to the relation, nonequilibrium output generated from dissipative processes necessarily incurs an energetic cost or hea… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1705.04027v2-abstract-full').style.display = 'inline'; document.getElementById('1705.04027v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1705.04027v2-abstract-full" style="display: none;"> Using Brownian motion in periodic potentials $V(x)$ tilted by a force $f$, we provide physical insight into the thermodynamic uncertainty relation, a recently conjectured principle for statistical errors and irreversible heat dissipation in nonequilibrium steady states. According to the relation, nonequilibrium output generated from dissipative processes necessarily incurs an energetic cost or heat dissipation $q$, and in order to limit the output fluctuation within a relative uncertainty $蔚$, at least $2k_BT/蔚^2$ of heat must be dissipated. Our model shows that this bound is attained not only at near-equilibrium ($f\ll V'(x)$) but also at far-from-equilibrium $(f\gg V'(x))$, more generally when the dissipated heat is normally distributed. Furthermore, the energetic cost is maximized near the critical force when the barrier separating the potential wells is about to vanish and the fluctuation of Brownian particle is maximized. These findings indicate that the deviation of heat distribution from Gaussianity gives rise to the inequality of the uncertainty relation, further clarifying the meaning of the uncertainty relation. Our derivation of the uncertainty relation also recognizes a new bound of nonequilibrium fluctuations that the variance of dissipated heat ($蟽_q^2$) increases with its mean ($渭_q$) and cannot be smaller than $2k_BT渭_q$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1705.04027v2-abstract-full').style.display = 'none'; document.getElementById('1705.04027v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 19 July, 2017; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 11 May, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">11 pages, 1 figure, paper revised including changes in title, abstract</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. E 96, 012156 (2017) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1612.05747">arXiv:1612.05747</a> <span> [<a href="https://arxiv.org/pdf/1612.05747">pdf</a>, <a href="https://arxiv.org/format/1612.05747">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Subcellular Processes">q-bio.SC</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Statistical Mechanics">cond-mat.stat-mech</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Biological Physics">physics.bio-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Biomolecules">q-bio.BM</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.bpj.2016.11.2291">10.1016/j.bpj.2016.11.2291 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Quantifying the Heat Dissipation from a Molecular Motor's Transport Properties in Nonequilibrium Steady States </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Hwang%2C+W">Wonseok Hwang</a>, <a href="/search/physics?searchtype=author&query=Hyeon%2C+C">Changbong Hyeon</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1612.05747v2-abstract-short" style="display: inline;"> Theoretical analysis, which maps single molecule time trajectories of a molecular motor onto unicyclic Markov processes, allows us to evaluate the heat dissipated from the motor and to elucidate its dependence on the mean velocity and diffusivity. Unlike passive Brownian particles in equilibrium, the velocity and diffusion constant of molecular motors are closely inter-related to each other. In pa… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1612.05747v2-abstract-full').style.display = 'inline'; document.getElementById('1612.05747v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1612.05747v2-abstract-full" style="display: none;"> Theoretical analysis, which maps single molecule time trajectories of a molecular motor onto unicyclic Markov processes, allows us to evaluate the heat dissipated from the motor and to elucidate its dependence on the mean velocity and diffusivity. Unlike passive Brownian particles in equilibrium, the velocity and diffusion constant of molecular motors are closely inter-related to each other. In particular, our study makes it clear that the increase of diffusivity with the heat production is a natural outcome of active particles, which is reminiscent of the recent experimental premise that the diffusion of an exothermic enzyme is enhanced by the heat released from its own catalytic turnover. Compared with freely diffusing exothermic enzymes, kinesin-1 whose dynamics is confined on one-dimensional tracks is highly efficient in transforming conformational fluctuations into a locally directed motion, thus displaying a significantly higher enhancement in diffusivity with its turnover rate. Putting molecular motors and freely diffusing enzymes on an equal footing, our study offers thermodynamic basis to understand the heat enhanced self-diffusion of exothermic enzymes. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1612.05747v2-abstract-full').style.display = 'none'; document.getElementById('1612.05747v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 28 December, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 17 December, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> J. Phys. Chem. Lett. (2017) vol. 8, 250-256 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1612.04514">arXiv:1612.04514</a> <span> [<a href="https://arxiv.org/pdf/1612.04514">pdf</a>, <a href="https://arxiv.org/format/1612.04514">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Quantitative Methods">q-bio.QM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Disordered Systems and Neural Networks">cond-mat.dis-nn</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Biological Physics">physics.bio-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1371/journal.pcbi.1005286">10.1371/journal.pcbi.1005286 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Decoding Single Molecule Time Traces with Dynamic Disorder </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Hwang%2C+W">Wonseok Hwang</a>, <a href="/search/physics?searchtype=author&query=Lee%2C+I">Il-Buem Lee</a>, <a href="/search/physics?searchtype=author&query=Hong%2C+S">Seok-Cheol Hong</a>, <a href="/search/physics?searchtype=author&query=Hyeon%2C+C">Changbong Hyeon</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1612.04514v1-abstract-short" style="display: inline;"> Single molecule time trajectories of biomolecules provide glimpses into complex folding landscapes that are difficult to visualize using conventional ensemble measurements. Recent experiments and theoretical analyses have highlighted dynamic disorder in certain classes of biomolecules, whose dynamic pattern of conformational transitions is affected by slower transition dynamics of internal state h… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1612.04514v1-abstract-full').style.display = 'inline'; document.getElementById('1612.04514v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1612.04514v1-abstract-full" style="display: none;"> Single molecule time trajectories of biomolecules provide glimpses into complex folding landscapes that are difficult to visualize using conventional ensemble measurements. Recent experiments and theoretical analyses have highlighted dynamic disorder in certain classes of biomolecules, whose dynamic pattern of conformational transitions is affected by slower transition dynamics of internal state hidden in a low dimensional projection. A systematic means to analyze such data is, however, currently not well developed. Here we report a new algorithm - Variational Bayes-double chain Markov model (VB-DCMM) - to analyze single molecule time trajectories that display dynamic disorder. The proposed analysis employing VB-DCMM allows us to detect the presence of dynamic disorder, if any, in each trajectory, identify the number of internal states, and estimate transition rates between the internal states as well as the rates of conformational transition within each internal state. Applying VB-DCMM algorithm to single molecule FRET data of H-DNA in 100 mM-Na$^+$ solution, followed by data clustering, we show that at least 6 kinetic paths linking 4 distinct internal states are required to correctly interpret the duplex-triplex transitions of H-DNA. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1612.04514v1-abstract-full').style.display = 'none'; document.getElementById('1612.04514v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 14 December, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> PLoS Comp. Biol. (2016) 12(12), e1005286 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1507.04453">arXiv:1507.04453</a> <span> [<a href="https://arxiv.org/pdf/1507.04453">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Medical Physics">physics.med-ph</span> </div> </div> <p class="title is-5 mathjax"> Practical biological spread-out Bragg peak design of carbon beam </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Kim%2C+C+H">Chang Hyeuk Kim</a>, <a href="/search/physics?searchtype=author&query=Lee%2C+H">Hwa-Ryun Lee</a>, <a href="/search/physics?searchtype=author&query=Chang%2C+S">Seduk Chang</a>, <a href="/search/physics?searchtype=author&query=Jang%2C+H+S">Hong Suk Jang</a>, <a href="/search/physics?searchtype=author&query=Kim%2C+J+H">Jeong Hwan Kim</a>, <a href="/search/physics?searchtype=author&query=Park%2C+D+W">Dong Wook Park</a>, <a href="/search/physics?searchtype=author&query=Hwang%2C+W+T">Won Taek Hwang</a>, <a href="/search/physics?searchtype=author&query=Yang%2C+T">Tea-Keun Yang</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1507.04453v1-abstract-short" style="display: inline;"> The carbon beams show more advantages on the biological properties compared with proton beams in radiation therapy. The carbon beam shows high linear energy transfer (LET) to medium and it increases the relative biological effectiveness (RBE). To design spread-out Bragg peak (SOBP) of biological dose using carbon beam, a practical method was purposed by using the linear-quadratic (LQ) model and Ge… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1507.04453v1-abstract-full').style.display = 'inline'; document.getElementById('1507.04453v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1507.04453v1-abstract-full" style="display: none;"> The carbon beams show more advantages on the biological properties compared with proton beams in radiation therapy. The carbon beam shows high linear energy transfer (LET) to medium and it increases the relative biological effectiveness (RBE). To design spread-out Bragg peak (SOBP) of biological dose using carbon beam, a practical method was purposed by using the linear-quadratic (LQ) model and Geant4 based Monte Carlo simulation code. The various Bragg peak profiles and LET was calculated for each slice at the target region. To generate appropriate biological SOBP, a set of weighting factor, which is a power function in terms of energy step, was applied to the obtained each physical dose. The designed biological SOBP showed 1.34 % of uniformity. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1507.04453v1-abstract-full').style.display = 'none'; document.getElementById('1507.04453v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 16 July, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">11 pages, 5 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1506.08543">arXiv:1506.08543</a> <span> [<a href="https://arxiv.org/pdf/1506.08543">pdf</a>, <a href="https://arxiv.org/ps/1506.08543">ps</a>, <a href="https://arxiv.org/format/1506.08543">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="History and Philosophy of Physics">physics.hist-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> </div> <p class="title is-5 mathjax"> We live in the quantum 4-dimensional Minkowski space-time </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Hwang%2C+W+P">W-Y. Pauchy Hwang</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1506.08543v1-abstract-short" style="display: inline;"> We try to define "our world" by stating that "we live in the quantum 4-dimensional Minkowski space-time with the force-fields gauge group $SU_c(3) \times SU_L(2) \times U(1) \times SU_f(3)$ built-in from the outset". We begin by explaining what "space" and "time" are meaning for us - the 4-dimensional Minkowski space-time, then proceeding to the quantum 4-dimensional Minkowski space-time. In our w… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1506.08543v1-abstract-full').style.display = 'inline'; document.getElementById('1506.08543v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1506.08543v1-abstract-full" style="display: none;"> We try to define "our world" by stating that "we live in the quantum 4-dimensional Minkowski space-time with the force-fields gauge group $SU_c(3) \times SU_L(2) \times U(1) \times SU_f(3)$ built-in from the outset". We begin by explaining what "space" and "time" are meaning for us - the 4-dimensional Minkowski space-time, then proceeding to the quantum 4-dimensional Minkowski space-time. In our world, there are fields, or, point-like particles. Particle physics is described by the so-called Standard Model. Maybe I should explain why, how, and what my Standard Model would be everybody's "Standard Model" some day. Following the thinking underlying the minimal Standard Model and based on the gauge group $SU_c(3) \times SU_L(2) \times U(1) \times SU_f(3)$, the extension, which is rather unique, derives from the family concept that there are three generations of quarks, on (123), and of leptons, on another (123). It yields neutrino oscillations in a natural manner. It also predicts a variety of lepton-flavor-violating rare decays. At the end of the Standard Model, we will provide some clear answers toward two "origin" questions: What is the origin of mass? Another one: what is the origin of fields (point-like particles)? <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1506.08543v1-abstract-full').style.display = 'none'; document.getElementById('1506.08543v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 29 June, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">13 pages</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1312.3070">arXiv:1312.3070</a> <span> [<a href="https://arxiv.org/pdf/1312.3070">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Biomolecules">q-bio.BM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Biological Physics">physics.bio-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1021/nl4042388">10.1021/nl4042388 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Molecular Motor-Powered Shuttles along Multi-walled Carbon Nanotube Tracks </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Sikora%2C+A">Aur茅lien Sikora</a>, <a href="/search/physics?searchtype=author&query=Ram%C3%B3n-Azc%C3%B3n%2C+J">Javier Ram贸n-Azc贸n</a>, <a href="/search/physics?searchtype=author&query=Kim%2C+K">Kyongwan Kim</a>, <a href="/search/physics?searchtype=author&query=Reaves%2C+K">Kelley Reaves</a>, <a href="/search/physics?searchtype=author&query=Nakazawa%2C+H">Hikaru Nakazawa</a>, <a href="/search/physics?searchtype=author&query=Umetsu%2C+M">Mitsuo Umetsu</a>, <a href="/search/physics?searchtype=author&query=Kumagai%2C+I">Izumi Kumagai</a>, <a href="/search/physics?searchtype=author&query=Adschiri%2C+T">Tadafumi Adschiri</a>, <a href="/search/physics?searchtype=author&query=Shiku%2C+H">Hitoshi Shiku</a>, <a href="/search/physics?searchtype=author&query=Matsue%2C+T">Tomokazu Matsue</a>, <a href="/search/physics?searchtype=author&query=Hwang%2C+W">Wonmuk Hwang</a>, <a href="/search/physics?searchtype=author&query=Teizer%2C+W">Winfried Teizer</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1312.3070v1-abstract-short" style="display: inline;"> As a complementary tool to nanofluidics, biomolecular based transport is envisioned for nanotechnological devices. We report a new method for guiding microtubule shuttles on multi-walled carbon nanotube tracks, aligned by dielectrophoresis on a functionalized surface. In the absence of electric field and in fluid flow, alignment is maintained. The directed translocation of kinesin propelled microt… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1312.3070v1-abstract-full').style.display = 'inline'; document.getElementById('1312.3070v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1312.3070v1-abstract-full" style="display: none;"> As a complementary tool to nanofluidics, biomolecular based transport is envisioned for nanotechnological devices. We report a new method for guiding microtubule shuttles on multi-walled carbon nanotube tracks, aligned by dielectrophoresis on a functionalized surface. In the absence of electric field and in fluid flow, alignment is maintained. The directed translocation of kinesin propelled microtubules has been investigated using fluorescence microscopy. To our knowledge, this is the first demonstration of microtubules gliding along carbon nanotubes. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1312.3070v1-abstract-full').style.display = 'none'; document.getElementById('1312.3070v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 11 December, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2013. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">19 pages, 4 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1303.6613">arXiv:1303.6613</a> <span> [<a href="https://arxiv.org/pdf/1303.6613">pdf</a>, <a href="https://arxiv.org/format/1303.6613">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Chemical Physics">physics.chem-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Optics">physics.optics</span> </div> </div> <p class="title is-5 mathjax"> Optical Activity and Mirror-Symmetry </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Hwang%2C+W">Won-Young Hwang</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1303.6613v2-abstract-short" style="display: inline;"> A misconception that non-chiral molecules have no optical activity at all is widespread. However, at molecular level even non-chiral molecules have optical activity. Optical activity of a non-chiral molecule is canceled out by that of another molecule in its mirror image in normal liquids. We describe the canceling mechanism by using mirror-symmetry of physical laws without resorting to detailed f… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1303.6613v2-abstract-full').style.display = 'inline'; document.getElementById('1303.6613v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1303.6613v2-abstract-full" style="display: none;"> A misconception that non-chiral molecules have no optical activity at all is widespread. However, at molecular level even non-chiral molecules have optical activity. Optical activity of a non-chiral molecule is canceled out by that of another molecule in its mirror image in normal liquids. We describe the canceling mechanism by using mirror-symmetry of physical laws without resorting to detailed formulas. The description will be helpful for overcoming the misconception. Optical activity can be understood from the opposite viewpoint by the description. Aligned non-chiral molecules have optical activity. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1303.6613v2-abstract-full').style.display = 'none'; document.getElementById('1303.6613v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 29 May, 2013; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 24 March, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2013. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">2 pages, 1 figure</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1301.5561">arXiv:1301.5561</a> <span> [<a href="https://arxiv.org/pdf/1301.5561">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Accelerator Physics">physics.acc-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevSTAB.15.042801">10.1103/PhysRevSTAB.15.042801 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Cavity beam position monitor system for the Accelerator Test Facility 2 </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Kim%2C+Y+I">Y. I. Kim</a>, <a href="/search/physics?searchtype=author&query=Ainsworth%2C+R">R. Ainsworth</a>, <a href="/search/physics?searchtype=author&query=Aryshev%2C+A">A. Aryshev</a>, <a href="/search/physics?searchtype=author&query=Boogert%2C+S+T">S. T. Boogert</a>, <a href="/search/physics?searchtype=author&query=Boorman%2C+G">G. Boorman</a>, <a href="/search/physics?searchtype=author&query=Frisch%2C+J">J. Frisch</a>, <a href="/search/physics?searchtype=author&query=Heo%2C+A">A. Heo</a>, <a href="/search/physics?searchtype=author&query=Honda%2C+Y">Y. Honda</a>, <a href="/search/physics?searchtype=author&query=Hwang%2C+W+H">W. H. Hwang</a>, <a href="/search/physics?searchtype=author&query=Huang%2C+J+Y">J. Y. Huang</a>, <a href="/search/physics?searchtype=author&query=Kim%2C+E+-">E. -S. Kim</a>, <a href="/search/physics?searchtype=author&query=Kim%2C+S+H">S. H. Kim</a>, <a href="/search/physics?searchtype=author&query=Lyapin%2C+A">A. Lyapin</a>, <a href="/search/physics?searchtype=author&query=Naito%2C+T">T. Naito</a>, <a href="/search/physics?searchtype=author&query=May%2C+J">J. May</a>, <a href="/search/physics?searchtype=author&query=McCormick%2C+D">D. McCormick</a>, <a href="/search/physics?searchtype=author&query=Mellor%2C+R+E">R. E. Mellor</a>, <a href="/search/physics?searchtype=author&query=Molloy%2C+S">S. Molloy</a>, <a href="/search/physics?searchtype=author&query=Nelson%2C+J">J. Nelson</a>, <a href="/search/physics?searchtype=author&query=Park%2C+S+J">S. J. Park</a>, <a href="/search/physics?searchtype=author&query=Park%2C+Y+J">Y. J. Park</a>, <a href="/search/physics?searchtype=author&query=Ross%2C+M">M. Ross</a>, <a href="/search/physics?searchtype=author&query=Shin%2C+S">S. Shin</a>, <a href="/search/physics?searchtype=author&query=Swinson%2C+C">C. Swinson</a>, <a href="/search/physics?searchtype=author&query=Smith%2C+T">T. Smith</a> , et al. (4 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1301.5561v1-abstract-short" style="display: inline;"> The Accelerator Test Facility 2 (ATF2) is a scaled demonstrator system for final focus beam lines of linear high energy colliders. This paper describes the high resolution cavity beam position monitor (BPM) system, which is a part of the ATF2 diagnostics. Two types of cavity BPMs are used, C-band operating at 6.423 GHz, and S-band at 2.888 GHz with an increased beam aperture. The cavities, electro… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1301.5561v1-abstract-full').style.display = 'inline'; document.getElementById('1301.5561v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1301.5561v1-abstract-full" style="display: none;"> The Accelerator Test Facility 2 (ATF2) is a scaled demonstrator system for final focus beam lines of linear high energy colliders. This paper describes the high resolution cavity beam position monitor (BPM) system, which is a part of the ATF2 diagnostics. Two types of cavity BPMs are used, C-band operating at 6.423 GHz, and S-band at 2.888 GHz with an increased beam aperture. The cavities, electronics, and digital processing are described. The resolution of the C-band system with attenuators was determined to be approximately 250 nm and 1 m for the S-band system. Without attenuation the best recorded C-band cavity resolution was 27 nm. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1301.5561v1-abstract-full').style.display = 'none'; document.getElementById('1301.5561v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 23 January, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2013. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">16 pp</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-12-262-AD-TD </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.ST Accel.Beams 15 (2012) 042801 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1301.1075">arXiv:1301.1075</a> <span> [<a href="https://arxiv.org/pdf/1301.1075">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Mesoscale and Nanoscale Physics">cond-mat.mes-hall</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Optics">physics.optics</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1021/nl500062f">10.1021/nl500062f <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Multi-slot optical Yagi-Uda antenna for efficient unidirectional radiation to free space </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Kim%2C+J">Jineun Kim</a>, <a href="/search/physics?searchtype=author&query=Roh%2C+Y">Young-Geun Roh</a>, <a href="/search/physics?searchtype=author&query=Cheon%2C+S">Sangmo Cheon</a>, <a href="/search/physics?searchtype=author&query=Choe%2C+J">Jong-Ho Choe</a>, <a href="/search/physics?searchtype=author&query=Lee%2C+J">Jongcheon Lee</a>, <a href="/search/physics?searchtype=author&query=Lee%2C+J">Jaesoong Lee</a>, <a href="/search/physics?searchtype=author&query=Kim%2C+U+J">Un Jeong Kim</a>, <a href="/search/physics?searchtype=author&query=Park%2C+Y">Yeonsang Park</a>, <a href="/search/physics?searchtype=author&query=Song%2C+I+Y">In Yong Song</a>, <a href="/search/physics?searchtype=author&query=Park%2C+Q">Q-Han Park</a>, <a href="/search/physics?searchtype=author&query=Hwang%2C+S+W">Sung Woo Hwang</a>, <a href="/search/physics?searchtype=author&query=Kim%2C+K">Kinam Kim</a>, <a href="/search/physics?searchtype=author&query=Lee%2C+C">Chang-Won Lee</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1301.1075v2-abstract-short" style="display: inline;"> Plasmonic nanoantennas are key elements in nanophotonics capable of directing radiation or enhancing the transition rate of a quantum emitter. Slot-type magnetic-dipole nanoantennas, which are complementary structures of typical electric-dipole-type antennas, have received little attention, leaving their antenna properties largely unexplored. Here we present a novel magnetic-dipole-fed multi-slot… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1301.1075v2-abstract-full').style.display = 'inline'; document.getElementById('1301.1075v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1301.1075v2-abstract-full" style="display: none;"> Plasmonic nanoantennas are key elements in nanophotonics capable of directing radiation or enhancing the transition rate of a quantum emitter. Slot-type magnetic-dipole nanoantennas, which are complementary structures of typical electric-dipole-type antennas, have received little attention, leaving their antenna properties largely unexplored. Here we present a novel magnetic-dipole-fed multi-slot optical Yagi-Uda antenna. By engineering the relative phase of the interacting surface plasmon polaritons between the slot elements, we demonstrate that the optical antenna exhibits highly unidirectional radiation to free space. The unique features of the slot-based magnetic nanoantenna provide a new possibility of achieving integrated features such as energy transfer from one waveguide to another by working as a future optical via. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1301.1075v2-abstract-full').style.display = 'none'; document.getElementById('1301.1075v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 16 August, 2013; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 6 January, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2013. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1207.1334">arXiv:1207.1334</a> <span> [<a href="https://arxiv.org/pdf/1207.1334">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Accelerator Physics">physics.acc-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevSTAB.13.042801">10.1103/PhysRevSTAB.13.042801 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Present status and first results of the final focus beam line at the KEK Accelerator Test Facility </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Bambade%2C+P">P. Bambade</a>, <a href="/search/physics?searchtype=author&query=Pons%2C+M+A">M. Alabau Pons</a>, <a href="/search/physics?searchtype=author&query=Amann%2C+J">J. Amann</a>, <a href="/search/physics?searchtype=author&query=Angal-Kalinin%2C+D">D. Angal-Kalinin</a>, <a href="/search/physics?searchtype=author&query=Apsimon%2C+R">R. Apsimon</a>, <a href="/search/physics?searchtype=author&query=Araki%2C+S">S. Araki</a>, <a href="/search/physics?searchtype=author&query=Aryshev%2C+A">A. Aryshev</a>, <a href="/search/physics?searchtype=author&query=Bai%2C+S">S. Bai</a>, <a href="/search/physics?searchtype=author&query=Bellomo%2C+P">P. Bellomo</a>, <a href="/search/physics?searchtype=author&query=Bett%2C+D">D. Bett</a>, <a href="/search/physics?searchtype=author&query=Blair%2C+G">G. Blair</a>, <a href="/search/physics?searchtype=author&query=Bolzon%2C+B">B. Bolzon</a>, <a href="/search/physics?searchtype=author&query=Boogert%2C+S">S. Boogert</a>, <a href="/search/physics?searchtype=author&query=Boorman%2C+G">G. Boorman</a>, <a href="/search/physics?searchtype=author&query=Burrows%2C+P+N">P. N. Burrows</a>, <a href="/search/physics?searchtype=author&query=Christian%2C+G">G. Christian</a>, <a href="/search/physics?searchtype=author&query=Coe%2C+P">P. Coe</a>, <a href="/search/physics?searchtype=author&query=Constance%2C+B">B. Constance</a>, <a href="/search/physics?searchtype=author&query=Delahaye%2C+J">Jean-Pierre Delahaye</a>, <a href="/search/physics?searchtype=author&query=Deacon%2C+L">L. Deacon</a>, <a href="/search/physics?searchtype=author&query=Elsen%2C+E">E. Elsen</a>, <a href="/search/physics?searchtype=author&query=Faus-Golfe%2C+A">A. Faus-Golfe</a>, <a href="/search/physics?searchtype=author&query=Fukuda%2C+M">M. Fukuda</a>, <a href="/search/physics?searchtype=author&query=Gao%2C+J">J. Gao</a>, <a href="/search/physics?searchtype=author&query=Geffroy%2C+N">N. Geffroy</a> , et al. (69 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1207.1334v1-abstract-short" style="display: inline;"> ATF2 is a final-focus test beam line which aims to focus the low emittance beam from the ATF damping ring to a vertical size of about 37 nm and to demonstrate nanometer level beam stability. Several advanced beam diagnostics and feedback tools are used. In December 2008, construction and installation were completed and beam commissioning started, supported by an international team of Asian, Europe… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1207.1334v1-abstract-full').style.display = 'inline'; document.getElementById('1207.1334v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1207.1334v1-abstract-full" style="display: none;"> ATF2 is a final-focus test beam line which aims to focus the low emittance beam from the ATF damping ring to a vertical size of about 37 nm and to demonstrate nanometer level beam stability. Several advanced beam diagnostics and feedback tools are used. In December 2008, construction and installation were completed and beam commissioning started, supported by an international team of Asian, European, and U.S. scientists. The present status and first results are described. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1207.1334v1-abstract-full').style.display = 'none'; document.getElementById('1207.1334v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 5 July, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2012. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">10 pp</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-10-290-AD </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.ST Accel.Beams 13 (2010) 042801 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/physics/0602078">arXiv:physics/0602078</a> <span> [<a href="https://arxiv.org/pdf/physics/0602078">pdf</a>, <a href="https://arxiv.org/format/physics/0602078">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Classical Physics">physics.class-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Physics Education">physics.ed-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Quantum Physics">quant-ph</span> </div> </div> <p class="title is-5 mathjax"> An Instructional Scaffolding for Intuitive Explanation of "Why does not a spinning top collapse?" </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Hwang%2C+W">Won-Young Hwang</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="physics/0602078v4-abstract-short" style="display: inline;"> "Why does not a spinning top collapse?" is a puzzling question. Standard solution using angular momentum and torque is not intuitive enough. Thus intuitive explanations for the question have been proposed. We provide scaffolding for an intuitive explanation for the question. Accelerated point-masses in the top exert forces on the frame, which balances the effect due to gravity. The explanation is… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('physics/0602078v4-abstract-full').style.display = 'inline'; document.getElementById('physics/0602078v4-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="physics/0602078v4-abstract-full" style="display: none;"> "Why does not a spinning top collapse?" is a puzzling question. Standard solution using angular momentum and torque is not intuitive enough. Thus intuitive explanations for the question have been proposed. We provide scaffolding for an intuitive explanation for the question. Accelerated point-masses in the top exert forces on the frame, which balances the effect due to gravity. The explanation is supplemented by the two following points. A more rigorous conceptual framework of the explanation is provided. A full calculation of trajectory is given. Nutation of spinning top is a difficult issue to understand physically. However, the nutation can also be understood by the intuitive explanation. We discuss another intuitive explanation. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('physics/0602078v4-abstract-full').style.display = 'none'; document.getElementById('physics/0602078v4-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 30 May, 2013; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 12 February, 2006; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2006. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">5 pages, 4 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> New Physics: Sae Mulli 63, 531 (2013) </p> </li> </ol> <div class="is-hidden-tablet">  <span class="help" style="display: inline-block;"><a href="https://github.com/arXiv/arxiv-search/releases">Search v0.5.6 released 2020-02-24</a>  </span> </div> </div> </main> <footer> <div class="columns is-desktop" role="navigation" aria-label="Secondary">  <div class="column"> <div class="columns"> <div class="column"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/about">About</a></li> <li><a href="https://info.arxiv.org/help">Help</a></li> </ul> </div> <div class="column"> <ul class="nav-spaced"> <li> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><title>contact arXiv</title><desc>Click here to contact arXiv</desc><path d="M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 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